add test for fetch using image tokens

update TestResponse class to return specific headers & status codes (with tests)

extend TestRequest class to test fetch & detail; add a test to check it does

code changes in the rest of the code base to support testing fetch

refactor fetch to support unittesting

add a token to fetch urls requiring image resize/crop to prevent external DDOS via fetch

avoid creating an intermediate crop image when the final image will match a resize

removed unsused translation file

fixed lithuanian language file

removed unused string in km translation

correct parenthesis in image crop calculations to ensure integer values

backward compatibility for old authtype settings

Fix Romanian language files by replacing cedilla-below characters with the correct comma-below ones.

Simplified Chinese language update

Esperanto language update

typo fix

French language update

Traditional chinese language update

increased copyright year in wiki:dokuwiki

fixed use of removed plugin function in revert plugin (FS#2744)

Redirect only in the show action to namespace start pages FS#2743

When the current page id ends with ":" (or "/" with useslash enabled)
DokuWiki tries to find the start page of namespaces automatica

Redirect only in the show action to namespace start pages FS#2743

When the current page id ends with ":" (or "/" with useslash enabled)
DokuWiki tries to find the start page of namespaces automatically and
then redirects to this page. The target of the redirect is always the
show action regardless if the current request contains another action or
is an ajax request. In practice you can get this problem when your
search query ends with ":" (e.g. because you want to match a namespace),
then you are redirected to the show action.

This change completely disables the redirect when $ACT is undefined or
the current action is not "show".

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Bulgarian language update

Language files: insignificant fixes

Release preparations

added loggedIn class to main tpl container